![BMW Z4 Roadster](https://d1hv7ee95zft1i.cloudfront.net/custom/car-model-photo/standard/bmw-z4-roadster-5d37fa91cd1aa.jpg)
![2018 Mercedes-Benz SL-Class brown](https://d1hv7ee95zft1i.cloudfront.net/custom/car-model-photo/standard/2018-mercedes-benz-sl-class-brown-5ab9afeb12966.jpg)
Compare the most popular vehicles against the BMW Z4, like Mercedes-Benz SL-Class, BMW 4 Series Coupe and BMW M2. Compare up to 3 models based on price, engine, performance, economy, and environment, dimensions, safety and security, features & technology.